Foxboro FBM217 RH916XZ - I/A Series Foundation Fieldbus H1 Dual-Channel Module with RH916XZ Configuration

Foxboro FBM217 RH916XZ – I/A Series Foundation Fieldbus H1 Dual-Channel Module with RH916XZ Configuration

In stock

Product Introduction:
The Foxboro FBM217 RH916XZ is a specialized firmware variant of the FBM217 dual-channel Foundation Fieldbus H1 module. The “RH916XZ” suffix indicates a firmware configuration designed for high-availability and redundancy-critical applications. This variant includes enhanced voting logic, faster link recovery, and specialized diagnostics for safety-critical Fieldbus segments. The module provides two independent H1 channels with up to 32 devices per channel and executes advanced function blocks locally. The RH916XZ firmware is optimized for plants where the Fieldbus network itself must be highly available, such as in safety instrumented systems (SIS) and critical process control loops.

Technical Specifications:
Board Type: Foundation Fieldbus H1 Dual-Channel Module
Firmware: RH916XZ (High-Availability optimized)
Channels: 2 H1 channels (32 devices per channel, 64 total)
Communication: H1 Foundation Fieldbus (31.25 kbps)
Redundancy: Supports redundant H1 segments with automatic failover
Link Recovery: Less than 200ms recovery from communication loss
Function Blocks: AI, AO, PID, CS, AR, plus redundancy-aware function blocks
Processor: 32-bit RISC with dedicated FF coprocessor
Memory: 16MB Flash, 8MB RAM
Isolation: 1500V RMS per channel
Update Rate: 50ms to 500ms per device
Power: 5V DC from backplane
Form Factor: 3U I/A Series Eurocard

Functional Features:
Redundant H1 Segments: Supports two independent H1 segments with automatic failover if one segment fails.
Ultra-Fast Link Recovery: Recovers from Fieldbus communication loss in under 200ms, critical for safety applications.
Redundancy-Aware Function Blocks: Function blocks automatically switch to the redundant H1 segment on communication loss.
Enhanced Diagnostics: Provides per-device communication quality trends, error history, and predictive failure analysis.
64 Device Support: Manages up to 64 Fieldbus devices across two redundant H1 segments.
Safety-Certified: Compatible with SIL 2 and SIL 3 safety applications when used with appropriate safety controllers.

Application Scenarios:
Safety Instrumented Systems: Used in SIS applications where the Fieldbus network must be highly available and fail-safe.
Critical Process Control: Manages Fieldbus devices in critical loops (reactor temperature, distillation column pressure) where any communication loss is unacceptable.
Redundant Fieldbus Architecture: Deployed in plants with dual redundant Fieldbus H1 segments for maximum availability.
Chemical Plants: Controls Fieldbus devices in reactors, distillation columns, and storage tanks where process uptime is critical.

Show More Show Less